Sheet of glass



FIG. 1 is a top, front and right side perspective view of sheet of glass showing my new design;

FIG. 2 is an inverted top plan view thereof, the bottom plan view being a mirror image thereof; and,

FIG. 3 is a front elevational view thereof.

The broken line showing of the bounds of the claimed design form no part thereof. 

The ornamental design for a sheet of glass, as shown and described. 